createclose.c File Reference

#include "ndisuio.h"
#include <debug.h>

Include dependency graph for createclose.c:

Go to the source code of this file.

Functions
NTSTATUS NTAPI	NduDispatchCreate (PDEVICE_OBJECT DeviceObject, PIRP Irp)
NTSTATUS NTAPI	NduDispatchClose (PDEVICE_OBJECT DeviceObject, PIRP Irp)

Function Documentation

NduDispatchClose()

NTSTATUS NTAPI NduDispatchClose	(	PDEVICE_OBJECT	DeviceObject,
		PIRP	Irp
	)

Definition at line 40 of file createclose.c.

{
    PIO_STACK_LOCATION IrpSp = IoGetCurrentIrpStackLocation(Irp);
    PNDISUIO_ADAPTER_CONTEXT AdapterContext = IrpSp->FileObject->FsContext;
    PNDISUIO_OPEN_ENTRY OpenEntry = IrpSp->FileObject->FsContext2;
 
    ASSERT(DeviceObject == GlobalDeviceObject);
 
    DPRINT("Closing file object 0x%x\n", IrpSp->FileObject);
 
    /* Check if this handle was ever associated with an adapter */
    if (AdapterContext != NULL)
    {
        ASSERT(OpenEntry != NULL);
 
        DPRINT("Removing binding to adapter %wZ\n", &AdapterContext->DeviceName);
 
        /* Call the our helper */
        DereferenceAdapterContextWithOpenEntry(AdapterContext, OpenEntry);
    }
 
    /* Completed */
    Irp->IoStatus.Status = STATUS_SUCCESS;
    Irp->IoStatus.Information = 0;
    IoCompleteRequest(Irp, IO_NO_INCREMENT);
 
    /* Return success */
    return STATUS_SUCCESS;
}

Referenced by DriverEntry().

NduDispatchCreate()

NTSTATUS NTAPI NduDispatchCreate	(	PDEVICE_OBJECT	DeviceObject,
		PIRP	Irp
	)

Definition at line 16 of file createclose.c.

{
    PIO_STACK_LOCATION IrpSp = IoGetCurrentIrpStackLocation(Irp);
 
    ASSERT(DeviceObject == GlobalDeviceObject);
 
    DPRINT("Created file object 0x%x\n", IrpSp->FileObject);
 
    /* This is associated with an adapter during IOCTL_NDISUIO_OPEN_(WRITE_)DEVICE */
    IrpSp->FileObject->FsContext = NULL;
    IrpSp->FileObject->FsContext2 = NULL;
 
    /* Completed successfully */
    Irp->IoStatus.Status = STATUS_SUCCESS;
    Irp->IoStatus.Information = FILE_OPENED;
    IoCompleteRequest(Irp, IO_NO_INCREMENT);
 
    /* Return success */
    return STATUS_SUCCESS;
}

Referenced by DriverEntry().